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Author Question: What percent of opacity means the exhaust has no visible smoke and does not block light from a beam ... (Read 304 times)

captainjonesify

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What percent of opacity means the exhaust has no visible smoke and does not block light from a beam projected through the exhaust smoke?
 
  A) 25 B) 100 C) 50 D) 0

Question 2

What percent of opacity means that the exhaust is so dark that it completely blocks light from a beam projected through the exhaust smoke?
 
  A) 25 B) 100 C) 50 D) 0



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akudia

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Answer to Question 1

D

Answer to Question 2

B




captainjonesify

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Reply 2 on: Jun 23, 2018
Great answer, keep it coming :)


zacnyjessica

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Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

 

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